1 / 10
Lookups
0
Issues
531
IPv4 addresses
3.69 ⋅ 10
19
IPv6 addresses
v=spf1 a:spf-hosts.sys.kth.se ip4:130.237.32.0/24 ip4:130.237.48.0/24 ip6:2001:6b0:1:1200::/64 ip6:2001:6b0:1:1300::/64 ~all
Copied
Terms
pass
if the sender's IP address is in the A or AAAA record of this domain.
19 IPv4 addresses
19 IPv6 addresses
or else
ip4:
130.237.32.0 / 24
pass
if the sender's IP is between
130.237.32.0 and 130.237.32.255 (inclusive).
130.237.32.0 and 130.237.32.255 (inclusive).
Vetenskapsradet / SUNET
AS1653
or else
ip4:
130.237.48.0 / 24
pass
if the sender's IP is between
130.237.48.0 and 130.237.48.255 (inclusive).
130.237.48.0 and 130.237.48.255 (inclusive).
Vetenskapsradet / SUNET
AS1653
or else
ip6:
2001:6b0:1:1200:: / 64
pass
if the sender's IP is between
2001:6b0:1:1200:: and 2001:6b0:1:1200:ffff:ffff:ffff:ffff (inclusive).
2001:6b0:1:1200:: and 2001:6b0:1:1200:ffff:ffff:ffff:ffff (inclusive).
Vetenskapsradet / SUNET
AS1653
or else
ip6:
2001:6b0:1:1300:: / 64
pass
if the sender's IP is between
2001:6b0:1:1300:: and 2001:6b0:1:1300:ffff:ffff:ffff:ffff (inclusive).
2001:6b0:1:1300:: and 2001:6b0:1:1300:ffff:ffff:ffff:ffff (inclusive).
Vetenskapsradet / SUNET
AS1653
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 a:spf-hosts.sys.kth.se ip4:130.237.32.0/24 ip4:130.237.48.0/24 ip6:2001:6b0:1:1200::/64 ip6:2001:6b0:1:1300::/64 ~all
IP ranges
2001:6b0:1:1200::
/ 64
Vetenskapsradet / SUNET
AS1653
2001:6b0:1:1200::
2001:6b0:1:1200:ffff:ffff:ffff:ffff
2001:6b0:1:1300::
/ 64
Vetenskapsradet / SUNET
AS1653
2001:6b0:1:1300::
2001:6b0:1:1300:ffff:ffff:ffff:ffff